Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7320735 | Fan cleaning method and apparatus | — | 2008-01-22 |
| 7052239 | Oscillating fan clutch | — | 2006-05-30 |
| 6474956 | Barrel fan with enclosed motor | James L. Davis, Robert Lazebnik | 2002-11-05 |
| 6364617 | Toolless assembled fan | Christopher M. Riske | 2002-04-02 |
| 5033711 | Universal bracket for fans | Daniel A. Gregorich, Frank E. Breining, Conard A. Moulton | 1991-07-23 |
| D296130 | Fan pedestal base | — | 1988-06-07 |